[OpenSIPS-Users] CANCELing the connection - no totag in ACK

[Bogdan-Andrei Iancu]

Maciej,

skip auth challenge for the ACK requests as you cannot send replies for 
an ACK....

So you have 2 options:
    1) if you do not want to auth ACK at all, simple skip them from auth
    2) if you want the auth ACK, if the ACK does not have an Authorize 
hdr from beginning (as RFC sais) you cannot do much about it.

Regards,
Bogdan

Maciej Bylica wrote:
> Iñaki
>
>
>   
>> It's well explained in RFC 3261.
>> An ACK for a [3456]XX response must have same branch and same CSeq
>> number (but "ACK" method) as the INVITE of the transaction.
>>     
>
> I meant some hints regarding script configuration, because as far as i
> understand i should double check my .cfg
> Okay i may proxy auth only INVITE methods - at this moment i do have
> 	if (!(method=="REGISTER") && from_uri==myself)  /*no multidomain version*/ {
> 		if (!proxy_authorize("", "subscriber")) {
> 			xlog("L_INFO","proxy auth");
> 			proxy_challenge("", "0");
> 			exit;
> 		}
> so there wont be any problem to filter that out, but how to inspect
> branch, CSeq - isn't that functionality hardcoded?
>
> Thx,
> Maciej.
>
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>   


-- 
Bogdan-Andrei Iancu
OpenSIPS Bootcamp
15 - 19 November 2010, Edison, New Jersey, USA
www.voice-system.ro